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Question 1 of 10
1. Question1 points
In satellite communication , frequency modulation is used because satellite channel has :Correct
Question 2 of 10
2. Question1 points
The transistor amplifier with 85% of efficiency is likely to be :Correct
Question 3 of 10
3. Question1 points
If a counter having 10 FFs is initially at 0 , what count will it hold after 2060 pulses ?Correct
Question 4 of 10
4. Question1 points
For an earth station transmitter input power of 40 dBW (10,000W), with a back off loss of 3 dB, a total branching and feeder loss of 3 dB, and a transmit antenna gain of 40 dB, determine the EIRP :Correct
Question 5 of 10
5. Question1 points
A microprocessor with 12-bit address bus will be able to access ………….. kilobytes of memory.Correct
Question 6 of 10
6. Question1 points
The greatest negative number which can be stored in a 8-bit register using 2’s complement arithmetic is :Correct
Question 7 of 10
7. Question1 points
…………….. current is the leakage current that flows through a photo diode with no input used in as light detectors.Correct
Question 8 of 10
8. Question1 points
In a real time system , the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is ……….Correct
Question 9 of 10
9. Question1 points
A broadside array operating at 100 cm wavelength consist of 4 half wave dipoles spaced 50 cm apart. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. The radiated power will be ………….. if the radiation resistance is 146 ohm.Correct
Question 10 of 10
10. Question1 points
When VSWR is 3 , the magnitude of the reflection co-efficient will be :Correct
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